Inventor · disambiguated record
Tsutomu Ukai
Also filed as: UKAI TSUTOMU
4 granted patents·17 citations·filing 2004–2007
70Inventor score
Technology areasH01S
Top patents by PatentIndex Score
4 records- 0181US7531440B2Semiconductor laser device, semiconductor laser system, optical pickup module and manufacturing for semiconductor laser systemPANASONIC CORP·Filed 2007·Granted May 12, 2009·9 cites·2 claims
- 0271US7787509B2Semiconductor laser devicePANASONIC CORP·Filed 2007·Granted Aug 31, 2010·4 cites·9 claims
- 0354US7260128B2Semiconductor laser device, semiconductor laser system, optical pickup module and manufacturing for semiconductor laser systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 21, 2007·4 cites·12 claims
- 0438US7566577B2Semiconductor laser device and method of manufacturing the samePANASONIC CORP·Filed 2006·Granted Jul 28, 2009·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →